[Beignet] [PATCH 1/2] GBE: Add constant pointer in the memcpy intrinsic.
Zhigang Gong
zhigang.gong at linux.intel.com
Sun Dec 14 17:17:35 PST 2014
Ping for review.
On Thu, Dec 04, 2014 at 05:21:59PM +0800, Zhigang Gong wrote:
> From: Zhigang Gong <zhigang.gong at linux.intel.com>
>
> Blender may generate such type of intrinsics. Now fix it.
> Also fixed a previous typo which will not assert when it
> should assert.
>
> Signed-off-by: Zhigang Gong <zhigang.gong at linux.intel.com>
> ---
> backend/src/libocl/src/ocl_memcpy.ll | 177 +++++++++++++++++++++++++++
> backend/src/llvm/llvm_bitcode_link.cpp | 7 ++
> backend/src/llvm/llvm_intrinsic_lowering.cpp | 4 +-
> 3 files changed, 187 insertions(+), 1 deletion(-)
>
> diff --git a/backend/src/libocl/src/ocl_memcpy.ll b/backend/src/libocl/src/ocl_memcpy.ll
> index fbc44d1..b3fadb2 100644
> --- a/backend/src/libocl/src/ocl_memcpy.ll
> +++ b/backend/src/libocl/src/ocl_memcpy.ll
> @@ -550,3 +550,180 @@ while.body: ; preds = %entry, %while.body
> while.end: ; preds = %while.body, %entry
> ret void
> }
> +
> +define void @__gen_memcpy_gc_align(i8 addrspace(1)* %dst, i8 addrspace(2)* %src, i32 %size) nounwind alwaysinline {
> +entry:
> + br label %while.cond
> +
> +while.cond: ; preds = %while.body, %entry
> + %index.0 = phi i32 [ 0, %entry ], [ %add, %while.body ]
> + %add = add i32 %index.0, 4
> + %cmp = icmp ugt i32 %add, %size
> + br i1 %cmp, label %while.cond3, label %while.body
> +
> +while.body: ; preds = %while.cond
> + %add.ptr = getelementptr inbounds i8 addrspace(2)* %src, i32 %index.0
> + %0 = bitcast i8 addrspace(2)* %add.ptr to i32 addrspace(2)*
> + %1 = load i32 addrspace(2)* %0, align 4
> + %add.ptr1 = getelementptr inbounds i8 addrspace(1)* %dst, i32 %index.0
> + %2 = bitcast i8 addrspace(1)* %add.ptr1 to i32 addrspace(1)*
> + store i32 %1, i32 addrspace(1)* %2, align 4
> + br label %while.cond
> +
> +while.cond3: ; preds = %while.cond, %while.body5
> + %index.1 = phi i32 [ %index.0, %while.cond ], [ %inc, %while.body5 ]
> + %cmp4 = icmp ult i32 %index.1, %size
> + br i1 %cmp4, label %while.body5, label %while.end7
> +
> +while.body5: ; preds = %while.cond3
> + %arrayidx = getelementptr inbounds i8 addrspace(2)* %src, i32 %index.1
> + %3 = load i8 addrspace(2)* %arrayidx, align 1
> + %arrayidx6 = getelementptr inbounds i8 addrspace(1)* %dst, i32 %index.1
> + store i8 %3, i8 addrspace(1)* %arrayidx6, align 1
> + %inc = add i32 %index.1, 1
> + br label %while.cond3
> +
> +while.end7: ; preds = %while.cond3
> + ret void
> +}
> +
> +define void @__gen_memcpy_pc_align(i8 addrspace(0)* %dst, i8 addrspace(2)* %src, i32 %size) nounwind alwaysinline {
> +entry:
> + br label %while.cond
> +
> +while.cond: ; preds = %while.body, %entry
> + %index.0 = phi i32 [ 0, %entry ], [ %add, %while.body ]
> + %add = add i32 %index.0, 4
> + %cmp = icmp ugt i32 %add, %size
> + br i1 %cmp, label %while.cond3, label %while.body
> +
> +while.body: ; preds = %while.cond
> + %add.ptr = getelementptr inbounds i8 addrspace(2)* %src, i32 %index.0
> + %0 = bitcast i8 addrspace(2)* %add.ptr to i32 addrspace(2)*
> + %1 = load i32 addrspace(2)* %0, align 4
> + %add.ptr1 = getelementptr inbounds i8 addrspace(0)* %dst, i32 %index.0
> + %2 = bitcast i8 addrspace(0)* %add.ptr1 to i32 addrspace(0)*
> + store i32 %1, i32 addrspace(0)* %2, align 4
> + br label %while.cond
> +
> +while.cond3: ; preds = %while.cond, %while.body5
> + %index.1 = phi i32 [ %index.0, %while.cond ], [ %inc, %while.body5 ]
> + %cmp4 = icmp ult i32 %index.1, %size
> + br i1 %cmp4, label %while.body5, label %while.end7
> +
> +while.body5: ; preds = %while.cond3
> + %arrayidx = getelementptr inbounds i8 addrspace(2)* %src, i32 %index.1
> + %3 = load i8 addrspace(2)* %arrayidx, align 1
> + %arrayidx6 = getelementptr inbounds i8 addrspace(0)* %dst, i32 %index.1
> + store i8 %3, i8 addrspace(0)* %arrayidx6, align 1
> + %inc = add i32 %index.1, 1
> + br label %while.cond3
> +
> +while.end7: ; preds = %while.cond3
> + ret void
> +}
> +
> +define void @__gen_memcpy_lc_align(i8 addrspace(3)* %dst, i8 addrspace(2)* %src, i32 %size) nounwind alwaysinline {
> +entry:
> + br label %while.cond
> +
> +while.cond: ; preds = %while.body, %entry
> + %index.0 = phi i32 [ 0, %entry ], [ %add, %while.body ]
> + %add = add i32 %index.0, 4
> + %cmp = icmp ugt i32 %add, %size
> + br i1 %cmp, label %while.cond3, label %while.body
> +
> +while.body: ; preds = %while.cond
> + %add.ptr = getelementptr inbounds i8 addrspace(2)* %src, i32 %index.0
> + %0 = bitcast i8 addrspace(2)* %add.ptr to i32 addrspace(2)*
> + %1 = load i32 addrspace(2)* %0, align 4
> + %add.ptr1 = getelementptr inbounds i8 addrspace(3)* %dst, i32 %index.0
> + %2 = bitcast i8 addrspace(3)* %add.ptr1 to i32 addrspace(3)*
> + store i32 %1, i32 addrspace(3)* %2, align 4
> + br label %while.cond
> +
> +while.cond3: ; preds = %while.cond, %while.body5
> + %index.1 = phi i32 [ %index.0, %while.cond ], [ %inc, %while.body5 ]
> + %cmp4 = icmp ult i32 %index.1, %size
> + br i1 %cmp4, label %while.body5, label %while.end7
> +
> +while.body5: ; preds = %while.cond3
> + %arrayidx = getelementptr inbounds i8 addrspace(2)* %src, i32 %index.1
> + %3 = load i8 addrspace(2)* %arrayidx, align 1
> + %arrayidx6 = getelementptr inbounds i8 addrspace(3)* %dst, i32 %index.1
> + store i8 %3, i8 addrspace(3)* %arrayidx6, align 1
> + %inc = add i32 %index.1, 1
> + br label %while.cond3
> +
> +while.end7: ; preds = %while.cond3
> + ret void
> +}
> +
> +define void @__gen_memcpy_pc(i8 addrspace(0)* %dst, i8 addrspace(2)* %src, i32 %size) nounwind alwaysinline {
> +entry:
> + %cmp4 = icmp eq i32 %size, 0
> + br i1 %cmp4, label %while.end, label %while.body
> +
> +while.body: ; preds = %entry, %while.body
> + %index.05 = phi i32 [ %inc, %while.body ], [ 0, %entry ]
> + %0 = ptrtoint i8 addrspace(2)* %src to i32
> + %1 = add i32 %0, %index.05
> + %2 = inttoptr i32 %1 to i8 addrspace(2)*
> + %3 = load i8 addrspace(2)* %2, align 1
> + %4 = ptrtoint i8 addrspace(0)* %dst to i32
> + %5 = add i32 %4, %index.05
> + %6 = inttoptr i32 %5 to i8 addrspace(0)*
> + store i8 %3, i8 addrspace(0)* %6, align 1
> + %inc = add i32 %index.05, 1
> + %cmp = icmp ult i32 %inc, %size
> + br i1 %cmp, label %while.body, label %while.end
> +
> +while.end: ; preds = %while.body, %entry
> + ret void
> +}
> +
> +define void @__gen_memcpy_gc(i8 addrspace(1)* %dst, i8 addrspace(2)* %src, i32 %size) nounwind alwaysinline {
> +entry:
> + %cmp4 = icmp eq i32 %size, 0
> + br i1 %cmp4, label %while.end, label %while.body
> +
> +while.body: ; preds = %entry, %while.body
> + %index.05 = phi i32 [ %inc, %while.body ], [ 0, %entry ]
> + %0 = ptrtoint i8 addrspace(2)* %src to i32
> + %1 = add i32 %0, %index.05
> + %2 = inttoptr i32 %1 to i8 addrspace(2)*
> + %3 = load i8 addrspace(2)* %2, align 1
> + %4 = ptrtoint i8 addrspace(1)* %dst to i32
> + %5 = add i32 %4, %index.05
> + %6 = inttoptr i32 %5 to i8 addrspace(1)*
> + store i8 %3, i8 addrspace(1)* %6, align 1
> + %inc = add i32 %index.05, 1
> + %cmp = icmp ult i32 %inc, %size
> + br i1 %cmp, label %while.body, label %while.end
> +
> +while.end: ; preds = %while.body, %entry
> + ret void
> +}
> +
> +define void @__gen_memcpy_lc(i8 addrspace(3)* %dst, i8 addrspace(2)* %src, i32 %size) nounwind alwaysinline {
> +entry:
> + %cmp4 = icmp eq i32 %size, 0
> + br i1 %cmp4, label %while.end, label %while.body
> +
> +while.body: ; preds = %entry, %while.body
> + %index.05 = phi i32 [ %inc, %while.body ], [ 0, %entry ]
> + %0 = ptrtoint i8 addrspace(2)* %src to i32
> + %1 = add i32 %0, %index.05
> + %2 = inttoptr i32 %1 to i8 addrspace(2)*
> + %3 = load i8 addrspace(2)* %2, align 1
> + %4 = ptrtoint i8 addrspace(3)* %dst to i32
> + %5 = add i32 %4, %index.05
> + %6 = inttoptr i32 %5 to i8 addrspace(3)*
> + store i8 %3, i8 addrspace(3)* %6, align 1
> + %inc = add i32 %index.05, 1
> + %cmp = icmp ult i32 %inc, %size
> + br i1 %cmp, label %while.body, label %while.end
> +
> +while.end: ; preds = %while.body, %entry
> + ret void
> +}
> diff --git a/backend/src/llvm/llvm_bitcode_link.cpp b/backend/src/llvm/llvm_bitcode_link.cpp
> index f5e9f81..d3058d6 100644
> --- a/backend/src/llvm/llvm_bitcode_link.cpp
> +++ b/backend/src/llvm/llvm_bitcode_link.cpp
> @@ -170,6 +170,13 @@ namespace gbe
> builtinFuncs.push_back("__gen_memset_g_align");
> builtinFuncs.push_back("__gen_memset_l_align");
>
> + builtinFuncs.push_back("__gen_memcpy_pc");
> + builtinFuncs.push_back("__gen_memcpy_gc");
> + builtinFuncs.push_back("__gen_memcpy_lc");
> +
> + builtinFuncs.push_back("__gen_memcpy_pc_align");
> + builtinFuncs.push_back("__gen_memcpy_gc_align");
> + builtinFuncs.push_back("__gen_memcpy_lc_align");
>
> for (Module::iterator SF = mod->begin(), E = mod->end(); SF != E; ++SF) {
> if (SF->isDeclaration()) continue;
> diff --git a/backend/src/llvm/llvm_intrinsic_lowering.cpp b/backend/src/llvm/llvm_intrinsic_lowering.cpp
> index 52f99c1..7d1f8f0 100644
> --- a/backend/src/llvm/llvm_intrinsic_lowering.cpp
> +++ b/backend/src/llvm/llvm_intrinsic_lowering.cpp
> @@ -72,10 +72,12 @@ namespace gbe {
> return 'p';
> case 1:
> return 'g';
> + case 2:
> + return 'c';
> case 3:
> return 'l';
> default:
> - assert("Non support address space");
> + assert(0 && "Non support address space");
> return '\0';
> }
> }
> --
> 1.8.3.2
>
> _______________________________________________
> Beignet mailing list
> Beignet at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/beignet
More information about the Beignet
mailing list